Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542136 | Portable mattress for treating decubitus ulcers | — | 1996-08-06 |
| 5325551 | Mattress for retarding development of decubitus ulcers | Christopher John Hopper, Stephen C. Travis | 1994-07-05 |
| D311737 | Removable hard disk drive module | Donald C. Westwood, Paul T. Bradley, Michael J. Nuttall | 1990-10-30 |
| 4846203 | Stowable crutch | — | 1989-07-11 |